The angle of elevation of a point T on a tower from a point U…

Mathematics WAEC 1997

The angle of elevation of a point T on a tower from a point U on the horizontal ground is 30o. If TU = 54m, how high is T above the horizontal ground?

  • 108m
  • 72m
  • 46.3m
  • 31.2m
  • 27m checkmark

The correct answer is: E

Explanation

sin30 = x/54
x =54 x 1/2
= 27m
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